Một trường quyên góp số sách khoảng 400 đến 450 sách. Tính số sách đó biết rằng số sách chia hết cho 12, 15, 30
một trường quyên góp số sách khoảng 400 đến 450 sách. Tính số sách đó biết rằng số sách chia hết cho 12,15,30
ét ô étttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt